The ultrasonic sensor is of great practical value to potential customers. First, beyond question, it makes distance measurements with precision and reliability frequently required for precision alignment applications. Secondly, it can operate in dirty or hazardous environments without danger to life due to the non-contact nature sharp vision of this instrument Many slopes. Thirdly, ultrasonic sensors are cost-effective and easily integrated into existing systems. This means that businesses save both time and resources. The sensors moreover offer a wide detection range which is independent of light or color and is not water-, oil-binary works at different places with painted surfaces but indoor facilities, fiber compounds in light form work on all kinds ofstone exteriors while not affected by colored environments.